console.log("命令参数:"+process.argv);
console.log("特定参数:"+process.argv[3]);
console.log("环境变量:"+process.env.LOGNAME);
console.log("打印当前进程id:"+process.pid);
console.log("显示工作目录:"+process.cwd());
console.log("显示进程标题:"+process.title);
console.log("内存使用情况:"+process.memoryUsage());
console.log("运行时间:"+process.uptime());
process.on('exit', (code) => {
    console.log(`About to exit with code: ${code}`);
    });
    process.exit(0);